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There is a problematic feature Mozilla Thunderbird uses and users have reported that disabling this feature helped them resolve their problem. Solution 2: Disabling Windows Search to search messages If the error still appears, you might consider using a different antivirus or firewall tool, especially if the one giving you the problems is free! Check to see if you are now able to use the program without receiving the ‘Not responding’ message after running Thunderbird.This is the address to navigate to. Sometimes you might have to add the path to the folder where the program is installed and sometimes to the executable. The best way to locate it is by right-clicking its shortcut on the Desktop and choosing the Open file location option from the context menu. You will need to add the executable file the box which will appear prompting you to navigate to the required file.Kaspersky Internet Security: Home > Settings > Additional > Threats and Exclusions > Exclusions > Specify Trusted Applications > Add.ĪVG: Home > Settings > Components > Web Shield > Exceptions.Īvast: Home > Settings > General > Exclusions. It can often be found simply without much trouble but here are some quick instructions on how to find it in the most popular antivirus tools: The Exceptions or Exclusions setting is located in different spots with respect to different antivirus tools.Open the antivirus UI by double-clicking its icon at the system tray (right part of the taskbar at the bottom of the window) or by searching for it in the Start menu (Cortana).The process will differ from one antivirus to another but we have decided to list out the paths to this option in the most popular antivirus tools. Either way, the problem can be solved by adding the program’s executable to the exclusions list in your antivirus. If you are using a free antivirus, chances are that it may be blocking Mozilla Thunderbird from connecting to the Internet properly or from accessing certain files on your computer. Solution 1: Add Thunderbird to Exceptions in Your Antivirus If you are using McAfee Internet Security, it doesn’t play alongside Thunderbird very well and you might want to replace either of these programs.
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Some program or service may be interfering with Thunderbird and the only way to test this is via clean boot.There are several problematic settings which can be turned off in Mozilla Thunderbird.Your antivirus may be interfering with Thunderbird and it may prevent it from connecting to the Internet properly.
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